1.4./x-5/-54=-34
4./x-5/=-34+54
4./x-5/=20
/x-5/=20:4
/x-5/=5
=>x-5=5 va x-5=-5
TH1:x-5=-5
=>x=0
TH2:x-5=5
=>x=10
2. /x-1/+(-5)=2
/x-1/=2-(-5)
/x-1/=7
=>x-1=7 va x-1=-7
TH1: x-1=7
=>x=8
TH2:x-1=-7
=>x=-6
vay x=-6 hoac x=8
3. 32-8./2x-9/=24
8./2x-9/=32-24=8
/2x-9/=8:8=1
=>2x-9=1 hoac 2x-9=-1
TH1: 2x-9=1
=>x=(1+9):2=5
TH2: 2X-9=-1
=>x=(-1+9):2=4
vay x=4 hoac x=5